*{
    margin: 0;
    padding: 0;
    list-style: none;
}
#app{
    width: 1000px;
    margin: 50px auto;
    overflow: hidden;
    border: 1px solid #ccc;
}
.main{
    overflow: hidden;
    position: relative;
}
.left-main{
    float: left;
    width: 400px;
    height: 480px;
    padding: 10px;
    border-right: 1px solid  #ccc;
}
.left-main-top{
    height: 400px;
    position: relative;
    border-bottom: 1px solid #ccc;
    background-color: #f7f7f7;
    overflow: hidden;
}
.left-main-top>a{
    width: 400px;
    height: 400px;
    display: table-cell;
    vertical-align: middle;
    text-align: center;
    overflow: hidden;
}
.left-main-top>a>span>img{
    max-height: 400px;
    max-width: 400px;
    vertical-align: middle;
}
.wrap{
    /* width: 200px; */
    /* height: 200px; */
    cursor: move;
    position: absolute;
    z-index: 998;
    display: none;
    pointer-events: none;
    background: url(./../images/wrap.png) repeat scroll 0 0 transparent;
    background-color: rgba(239, 152, 152, 0.36);
}
.left-main-box{
    padding: 10px;
    display: flex;
    justify-content: space-around;
}
.left-main-box>li{
    display: inline;
    float: left;
    margin-right: 9px;
    width: 50px;
    height: 50px;
    border: 2px solid #fff;
    -webkit-transition-property: border-color;
    -moz-transition-property: border-color;
    -o-transition-property: border-color;
    transition-property: border-color;
    -webkit-transition-duration: .2s;
    -moz-transition-duration: .2s;
    -o-transition-duration: .2s;
    transition-duration: .2s;
    overflow: hidden;
}
.left-main-box>li.pic-tab{
    border-color: #f40; 
}
.left-main-box>li>a{
    display: table-cell;
    vertical-align: middle;
    text-align: center;
    width: 50px;
    height: 50px;
}
.left-main-box>li>a>img{
    vertical-align: middle;
    max-width: 50px;
    max-height: 50px;
}
.right-main{
    float: left;
    overflow: hidden;
}
.right-main-cont{
    position: absolute;
    top: 0;
    margin-left: 2px;
    border: 1px solid #cccccc;
    width: 575px;
    height: 500px;
    overflow: hidden;
    display: none;
}
.right-main-cont img{
    position: absolute;
    left: 0;
    top: 0;
}